Stapled peptide

A stapled peptide is a modified peptide, typically in an alpha-helical conformation, that is constrained by a synthetic brace ("staple"). The staple is formed by a covalent linkage between two amino acid side-chains, forming a peptide macrocycle. Staples, generally speaking, refer to a covalent linkage of two previously independent entities. Peptides with multiple, tandem staples are sometimes referred to as stitched peptides. Among other applications, peptide stapling is notably used to enhance the pharmacologic performance of peptides.

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